42-235-36422

PRODUCING Horizontal

ROCKER B

IRION County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

9,010 ft

First Permit

2019-07-09

Latest Activity

2019-07-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-06-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1997-04

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (8) Elevation 2,529 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 1,818 ft+711 ft
GRAYBURG 1,819 ft+710 ft
SAN ANDRES 1,950 ft+579 ft
CLEARFORK (Clear Fork)3,511 ft-982 ft
SPRABERRY 3,511 ft-982 ft
WOLFCAMP 6,422 ft-3,893 ft
CANYON
FUSSELMAN

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-235-36423 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,768'San Andres 1,948'San Andres 1,949'Clear Fork 3,473'Clear Fork 3,474'Spraberry 4,900'Wolfcamp 6,418'Canyon Fusselman
42-235-36424 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,823'Grayburg 1,837'San Andres 1,942'San Andres 1,960'Clear Fork 3,418'Clear Fork 3,503'Spraberry 4,888'Spraberry 4,979'Wolfcamp 6,413'Wolfcamp 6,506'Fusselman Canyon
42-235-36458 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.7 mi
Grayburg 1,844'San Andres 1,978'Clear Fork 3,481'Spraberry 4,890'Wolfcamp 6,397'Fusselman Canyon
42-235-36459 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.7 mi
Grayburg 1,845'San Andres 1,972'Clear Fork 3,430'Spraberry 4,893'Wolfcamp 6,396'Fusselman Canyon
42-235-36460 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.7 mi
Grayburg 1,842'San Andres 1,970'Clear Fork 3,416'Spraberry 4,889'Wolfcamp 6,519'Fusselman Canyon
42-235-36605 ROCKER B · PIONEER NATURAL RES. USA, INC.
1.2 mi
Santa Rosa 396'Rustler 766'Yates 1,027'Seven Rivers 1,235'Queen 1,462'Grayburg 1,896'San Andres 2,078'Clear Fork 3,629'Spraberry 4,908'Dean 6,308'Wolfcamp 6,447'Canyon +1 more
42-235-36604 ROCKER B · PIONEER NATURAL RES. USA, INC.
1.2 mi
Santa Rosa 396'Rustler 750'Yates 1,020'Seven Rivers 1,238'Queen 1,463'Grayburg 1,893'San Andres 2,052'Clear Fork 3,663'Spraberry 4,910'Dean 6,300'Wolfcamp 6,438'Fusselman +1 more
42-235-36603 ROCKER B · PIONEER NATURAL RES. USA, INC.
1.2 mi
Santa Rosa 396'Rustler 695'Yates 1,026'Seven Rivers 1,242'Queen 1,461'Grayburg 1,890'San Andres 2,055'Clear Fork 3,765'Spraberry 4,932'Dean 6,320'Dean 6,321'Wolfcamp 6,458' +2 more

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
6,758–17,002 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"763 ft800 sx
9.625"5,128 ft524 sx
5.5"17,043 ft2,459 sx

Permit History (1)

Applications (1)

#854627 A PIONEER NATURAL RES. USA, INC.
received 2019-06-26

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2020-11-03
W-2/G-1 2020-05-21 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 31.320797
Lon -101.233795

Well Details

Well Number
148H
Max Depth
9,010 ft
Drill Type
Horizontal
County
IRION
District
7
Completed
2020-06-22

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,399